package chapter_eleven.text11_6demo6;

/**
 * Data time:2021/10/19 16:39
 * StudentID:2019112118
 * Author:hgw
 * Description:
 */
public abstract class AbstractControler {
    public abstract void add(AbstractControler control);
    public abstract void remove(AbstractControler control);
    public abstract AbstractControler getChild(int i);
    public abstract void designControl();
}
